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Bisphenol A가 마우스의 장기무게 및 운동능력에 미치는 영향
조경혜,문세보,이정원 서울여자대학교 자연과학연구소 2002 자연과학연구논문집 Vol.14 No.-
Bisphenol A (BPA) is an environmental endocrine disrupting chemical that affects reproduction in wildlife and human beings and has been shown to mimic the actions of estrogens. BPA has been thought to be a harmful compound to human beings as well as wildlife. However, there have been few reports on the effect of BPA on movement capability or weights of several organs of animals. The purpose of the paper is to investigate the effect of BPA on weights of several organs and movement capability. BPA exposure was performed in ICR male mouse at dose levels of 0.015, 1.5 or 30 mg/ml in the drinking water for 8 weeks. To evaluate the effect on movement capability, 30 min swimming was applied to mouse administrated with various doses of BPA. After experimental treatment for 8 weeks, mice were sacrificed, and experiments were performed for serolog ical evaluation and comparison of organ weights. There were no differences in serological parameters such as blood cholesterol, blood glucose. total serum protein and serum LDH activity among all groups. There were no change in weights of body and several organs. except spleen between BPA-treated and nontreated mouse. The movement capabilities were decreased in the mice treated with BPA. Electron micrographs of cross sectioned skeletal muscle fibers showed that administration of BPA caused swelling of sarcoplasmic reticulum. These results suggested that BPA may cause the structural transformation of skeletal muscle fibers and then may induce the decrease of movement capability.
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치매방지 작업기구 사용이 항산화효소 활성에 미치는 영향
조경혜,박정은,윤지윤,문세보,박효영,정인옥,이정원 서울여자대학교 자연과학연구소 2001 자연과학연구논문집 Vol.13 No.-
We developed an occupational therapy tool to maintain and improve the cognitive function for the elderly who have senile dementia. 86 elderly people took a mininal mental state examination (MMSE) for the therapy to perform the occupational therapy, and divided into three groups based on avarage ages and MMSE values. The occupational therapy was treated three times per week for 10 weeks. The results showed that there were significant differences in the performing scores before and after the treatment ; the scores for the occupational therapy were increased significantly (p<0.001) and the performing time was shortened from 6-week throughout 10-week regimen. This study was to examine the effect on the activity of antioxidant enzymes by occupational therapy. The activities of antioxidant enzymes such as catalase, Glutathion-6-phosphate dehydrogenase (G6PDH), and superoxide dismutase (SOD) were increased to the normal standard by the occupational therapy for the elderly having dementia. The recovery of activities of antioxidant enzymes was obvious in severe demented elderly compared to those in normal or mild demented elderly. These results suggest that the occupational therapy had an beneficial effect on the protection against the oxidative stress especially for severe demented elderly, and the occupational tool need to be modified so as to improve the protection against the oxidative stress for normal and/or mild demented elderly.
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